What is the SI unit of mo * 7vsuyx. 8h9+udnuhbmentum?

  When a cannon fires a cannonball, the cannon will recoil backward because th2a l/5r9a7fqovr r0ztp i;6g ie

  A freight car moves alonbkp:3.oz: lyaigo;ha,j6io + g a frictionless level railroad track at constant speed. To a.:yh6ko, og3z+b: ;jlaiiphe car is open on top. A large load of coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while sledding o y ebt)j;c 4h;w-zz 1s5du,royn frictionless ice. What happens to the velocitbjecs wr- ) hyout;1;5,zzy4 dy of the sled?

  A rubber ball and a lump of putty have equal m7y ;vrl4dr.tp ass. They are thrown with equal speed against a wall. The ball bounces back with nearly the same speed wiyt pvdr.r7l4;th which it hit. The putty sticks to the wall. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving with a momentum p. How woulsly 5 vz8qn1s/w uxa*)d you represent its kinetic energy in terms5q l1nwss8y*u /zxva ) of these two quantities?

  If you pitch a baseball with twice the kinetic energy you ipk5d5 040 .1,pthpac upoh):j tajnm gave it in the previous pitch, the magnitude of itsdi c 5uo.hap54 1jkp0t0h, am:pnj)pt momentum is

State Newton's second law in terms of t:fzt0 (lcj rk9qz7 b4momentum.

State the law of conserc5ys vs,c z dmj8(*4fo6g8rtovation of momentum.

  The area under the curve on a Force versus timads 1 2sagxwmev::kl z, 0l*p.e (F vs. t) graph represents

  Which of the following is an accu/gmk4m4jw:: t1 +4cm dfovb xgs08cezrate statement?

  A small car meshes with a larg m- oihex,2r9ixitkf2q6 zh1 -e truck in a head-on collision. Which of the following statements-xfht9k,m-q x 1 2 rzoihie62i concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the other blue) are dro ub822lhq2kuby k1 *eupped from the same height, and rebound off the floor. yqbe1khl* u bu22k2 u8The red ball rebounds to a higher position. Which ball is subjected to the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving east at a speed of 4 m/s, collides with * 7*qhk+s+elnk ik-;s;1y qbnuff mg3 a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very slowly to the east. Which object experiences the greater magnitudb +*3sqygh l;nqf*umk+k i7ekf1 -n;s e impulse during the collision?

  Two objects collide and bounce off (vzyqv 4k3j ky-ke2l-each other. Linear momentum

  A 3.0-kg object move.7b:i kp u,/hal, sldss to the right at 4.0 m/s. It collides head-on with a 6.0-kgh7d,sl s:kuab. i,lp/ object moving to the left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 21 9wq(4mej vef.0 m/s tackles head-on an 80-kg halfback rue (ef4 v1qmwj9nning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserved, x y3j*zr9gn0( wt9zs nthen which of the following st*zz n0 swyt(g j99r3xnatements is true about kinetic energy?

  When is kinetic energy cu6ruqz1p qp1ol*rvu 945nxmn) q/os a p/ c-7ronserved?

  In a game of pool, the whihp( 6yprut bcgn;l85 :te cue ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had originally. The type of collision iln:8gth bpu6;pcy(r 5 s

  When a light beach ball rolling with a speed of 6.0 m/s5wz(-ai d u(gg collides with a heavy exercise ball at rest, the beach ball's speed after the collision wi (ad-g uz5igw(ll be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collis,w9jh2k;fhv l ion with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed of the golf ball immf2jhl,khvw ; 9ediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides hf3dp)m,x6/t) p,y iedm9d bed ead-on elastically with an identical ball at rest. What is the spef)3 ed mxp)d/ 6b,,d9ydimet ped of the initially stopped ball after the collision?

  A very heavy object moving with speed d2k c-lu1 zul:v collides head-on with a very light object at rest. The collision is elastic, and there is no friction. The heavy object barely slows down. What is the speed of the light objecu cld-k 12z:ult after the collision?

  A very light object moving with speed v collides head-on w d5fh.i)fmi5 kith a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy object after the cf 5h 5)fimk.diollision is

  A red ball with a velocity of +3.0 m/s collides head-on with a yel7)k*ihs ytg/t low ball of equal mass moving with a velocity of -2.0 m/s. What is the thiks yg7)*t/ velocity of the yellow ball after the collision?

  A very heavy object movi o),nej5n o4mzng with velocity v collides head-on with a very light object moving with velocity -v. The collision is elastic, and there is no friction. The heavy object barely slows down. What is the speed of j4omno 5e n,z)the light object after the collision?

  In an inelastic collision, if the momentum is her/fx3ph)cz *a7/o6 w riq+v conserved, then which of the following statements is true a zi o*ca6rr7pveh/qf3w/ +h )xbout kinetic energy?

  Two objects collide and stick together. Ki*o np-vfjmd.wo3: qr;netic energy

  A 3.0-kg object moves to the rightam 60 +sq8zhqo at 4.0 m/s. It collides in a perfectly inelastico8zma q0 6shq+ collision with a
6.1 kg object moving to the left at 2.0 m/s. What is the total kinetic energy after the collision?

  A small object collides with a large object and sticks. Whichj.eay s 02 u)f/a3ozhn object experiences the larger magnitude of momentum 3hsj /a 0fz 2ny)oa.euchange?

  In a game of pool, the white cue ball hits the #9 ball and is 7k5e:lct9 lc(*lko ky deflected at a $35^{\circ}$ angle to the original line of motion. What is the angle of deflection below the original line of motion for the #9 ball?

  Consider two unequal masses, M and m. Which of the following statements gx0(bj:g*wri zlek a4.z-yv/is falseja4*zg0kv(/w zbrxle yg. i:-?

  Which of the following is a fals7+yfh 0cbxr4p9+d 4wz9gq m gee statement?

  Tightrope walkers walk with as8z5+ogk /*by hy;eop long flexible rod in order to

  A plane, flying horizontally, releases a bo mwv1q7diw os++7 )(3lo .i hmhetors(mb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after the 1+ .(h)omi qom vls e+tw(37oi7wdsr hexplosion

  Two cars collide head-on on a level friction-free road. The collision was comk :b0j:wqvhr2z./ma zdgr afc /):* ynpletely inelastic and both cars quickly came to rest during the collision. What is true about the :z gkzrh2/ :) qfrd: cyaw/0j.a* mvnbvelocity of this system's center of mass?

State Newton's seconk /c, je,n:sc,qi 4f4htxv e(wd law for a system of particles.

  What is the momentum of a 2000-kg txza:v6aa+ ;z,o g :y7j yu4ndgruck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitude of itsgtl, j0k fff/2t.0rz7h3jip;d-zm a s momentu0i;0lgdfj k2pfm zh7t t,3asr. /fjz-m?

  A ball of mass 0.10 kg is dropped frrz0gg5lmcpm9a /.; a:uuk ap*om a height of 12 m. Its momentum when it strikes the gz.kp a 9a *lmg:c5amrg/0pu ;uround is

  Two identical 1500-kg cars are moving perpendicular to each other. On/ lduen .q2r.l,4b zhde moves with a speed of 25 m/s due north and the othered.qr lndz4, ubl2.h/ moves at 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10 kw/-l 3tw(r wmvgko8 5ag, traveling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in the momentum of the 8g w/wlwrkmot-(3v a5ball?

  A 0.060-kg tennis ball, initially movdqy0soo/tjpo/4l3 g x, g+1luing at a speed of 12 m/s, is struck by a racket causing it to rebound illx4jd1qo/o y 0u+gt /s,3pogn the opposite direction at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a 6t nx;4znhmrwh bn* 2)frozen pond. Thmn6zn w;h h 2nx*4tb)re machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space capsule and )l:5e m sjlabtr-/k,;xfs u3xis stationary when the tether line breaks. As a jtk: b;xs lx/,m sr3leu)-a5f means of returning to the capsule he throws his 2.0-kg space hammer at a speed of 14 m/s away from the capsule. At what speed does the astronaut move toward the capsule?

  A small object with m:xuh wml ()vs-omentum 5.0 kgm/s approaches head-on a large object at rest. The small object bounces straight back with a mom(su:v mw )hx-lentum of magnitude 4.0 kgm/s. What is the magnitude of the large object's momentum change?

  You (50-kg mass) skatenc az0.foq.8knl- mh, on ice at 4.0 m/s to greet your friend (40-kg mass), who is standing still, with open arms. As you collide, while holding each other, with what speed do you both move off togethern-8hzq0k f. .m anolc,?

  A car of mass 1000 kg moves to the right along a level, straight road at a spt.y/85bu hakd eedy.k8ad u/tb5h of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs into the rz 5ynhpw)l -3t1 xpv/vear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed of wh5v v3pl) pyxn t-z1/the cars after the collision?

  A railroad freight car6 dg,j, wde3yt, mass 15,000 kg, is allowed to coast along a level track at a speed of 2.0 m/s. It collides and couples with a 50,000-kg second car, initially at rest and with brakes released. What is the speed of the two cars aft,jy3t ddwe ,g6er coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction on z6pygz9d2w3 o a horizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight down a distance of 4.0g6 w yz3pz92do m, and lands in the car. How fast will the car be moving after this happens?

  A 60-kg person walks on a 100-kg log at the rate of 0.8bput6kq;/ r2q 0 m/s (with respect to the log). With what speed does the log move, with respec /rtu bq;kq6p2t to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenly ixl q7w ;jpe: -6dar4c+tcawb 2ncreases to 15 N and acts for one more second. What impulse was imparted by thesewbwj-rclt pa4+q c7e 6d :2ax; forces to the object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object.q3aua hvd+ :4rh*1qx6fg /rge What is the object's chanh1g3gvq*r 6aue/dx r hf+ 4a:qge of velocity?

  A 2000-kg car, traveling to the right at 30 m/s8f71ej dik) jj, collides with a brick wall and comes to rest in 0.20 s. What is the average for di8f7kej)1jjce the car exerts on the wall?

  A 2.0-kg softball is pit uy+. jtb16;x3gjrfwcched to you at 20 m/s. You hit the ball back along the same path, and at the same speed. If the bat was in contact with t;1x trg.c63uf jjw+yb he ball for 0.10 s, what is the magnitude of the average force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The speeds of the ball ri w o l;drp:pdh26u.3chr hd*a6ght before and right after hitting the table top are 5.0 m/s and 4.0 m/s, respectively. If the collision between the ball and the table top lasts 0.15 s, what is the magnitude of the a h;d6rr*2w3p.cdl paou6: dh hverage force exerted on the ball by the table top?

  A machine gun, of mass 35.0 kg, fir igeg baop6el7; u3*6qes 50.0-gram bullets, with a muzzle velocity of 750 m/l ueo6* pgia6e3g7; qbs, at the rate of 300 rounds per minute. What is the average force exerted on the machine gun mount?

  A fire hose is turned on the door of a burning building in orde5b/hva4jz xdl(x9o )k r to knock the door down. This requires a force of 1000 N. If the hose delivers 40 kg per second, what is the mino/zax5)dj(k lb 4h 9xvimum velocity of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe hx3b q.,/r:lacd i;vkat the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what q/ vax kdhi;3,r:c.l baverage force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieveh3zrt, g*nbi 8s a velocity of 40 m/s after 3.0 s, when fired straight up. What average thrust gzi3 n,r*ht8b force does the rocket engine exert?

  Two astronauts, of masses 60 kg ancycw )*ep txn10t1* gxd 80 kg, are initially at rest in outer space. They push each other apart. What is their separation after the lighter astronaut h10n 1)c* cgw*xpetx tyas moved 12 m?

  A 3.0-kg object moves to the hivr f(wuxw,o;1 s0 4ayp9c5u right with a speed of 2.0 m/s. It collides in a perfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m/s. What is the total u,p 4 ucw 9vxw5o;sa0r(f h1yikinetic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 m/xa2:emyz:3n5 whxbr1s in the +x direction makes a head-on elastic collision witha wn z b13e:xyxmh5r:2 a 0.15 kg object initially at rest. What is the final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 3 tydis) j;71- yrcvkhx*71mqm00 m/s is fired into a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the block) with half of its original speed. What is the velocity of the block right after the colhqsxcjm* -v km7tr 7yy11) ;dilision?

  A proton, of mass m, at rest, idoaqp+ l 6)7ik- cww.ms struck head-on by an alpha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision wkdl .7i+pa)qc6o- mwis completely elastic, what speed will the alpha-particle have after the collision? (Assume the neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10 m/s colliwa mj0xw82sn7des head-on with a stationary ball of mass 100 g. The collision is elastic. What is the spee27 wwjas m8n0xd of each ball immediately after the collision?

A ball of mass 400 g moving n0cz69id eh5v/6p c bg ye3ax2toward the east with a speed of 3.70 m/s collides head-on witin e 3 5bzg9d0ca/h6cpy6xev2h a 200 g ball sitting at rest. The collision is perfectly elastic.
(a) Determine the velocity of the first ball after the collision.
(b) Determine the velocity of the second ball after the collision.
(c) Is kinetic energy conserved in this collision?

  A 2.0-kg mass moves wywm*3avpz5 l66m.npen nhlj1(e1(edith a speed of 5.0 m/s. It collides head-on with a 3.0 kg ma 3e. va(1l16n zn*m6hy(jn dmwele5ppss at rest. If the collision is perfectly inelastic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east afxqep (9gz6;8 p;icjn t a speed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost during thign;epf 9p 6jq8x;c(zi s collision?

  A car of mass m, traveling with a velocity v, strikes a parked statiuqg,b uocr*;3on wagon, whouobuc*;3 qg, r's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213nkr2 g 8cv)8an m/s in a vertical direction buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combination moves vertically up8rn28) gan kvcward.
(a) Determine the velocity of the bullet/block combination at the point of impact.
(b) Determine the maximum height reached by the bullet/block combination.
(c) Is kinetic energy conserved in this collision?

  A 1500-kg car traveling at 90.0 km/h ea cm6i bu;., st61:-aiufhuxfjst collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the speed of ths.;u6fubih 1j6,fx u:ctm-iae cars after collision?

  A 1500-kg car traveling at 90.0 km/h east collides with a 3000-kg car travelin+2 *f70a/*ghm x umshza d)zu)me6hmqg at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the direction of motion o*mhe h 6dza)h2xuzafmgs m) /qm0+ *7uf the cars after collision?

  Two objects move on a level frictionless surface. Object Ag : m k1bda-:q+ qg0sowob17ob moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfectly inelastic collision. What is the magnitude of their combined momentum afteo:7:ooq mbg d0ksb-1a qgwb+ 1r the collision?

  A small bomb, of mass 10 kg, is moving toward the North with a velocity m3 asuj5 7ehy:yb/k h8of 4.0 m/s. It explodes into three fragments: a 5.0-kg fragment moving west with a speed of 8.0 m/s; a 4.0-kg fragment moving east with a speed of 10 m/s; and a third fragment with a mass of 1.0 kgyb8 3 yk u/ha5h:sem7j. What is the velocity of the third fragment? (Neglect air friction.)

  A 4.00-kg mass sits at the origin, and a 10.rob6 af4y-yv 30-kg mass sits at x = + 21.0 m. Where is the center o o-fr4b6yyv 3af mass on the x-axis?

  The center of mass of a twono-l1 k)vyzmwtfx f*,6f s8v)-particle system is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of the second mass of v v 1fwfnf8)6,sx)tm-* ylkoz3.0 kg?

  Three masses are positioned as follows: 2.0 kg at (0,,1((ac(lx+e5 vr xk mc syxfq; 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, facc5x;(+rs (y lk1e,xq(vx m 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg8dndbub p,xan: 7wpl04tm - a,c,/wyc, 2.0 kg, and 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2. ym74n appban ,l,t8:bc 0xw,udw/d c-0 m), respectively. What is the location of the center of mass of the system?

  A 3.0-kg mass is positi*j/oi9gmlb zk7a n3 s 8alht/.oned at (0, 8.0), and a 1.0-kg mass is positioned at (12, 0). What are the coordinates of a 4.0-kg m oak8/a/. h b7lz9sltijgn*3mass which will result in the center of mass of the system of three masses being located at the origin, (0, 0)?

  Use Table 7-1 to calculate the position of the CM of a whole k,;w6k:bnlm gnancr*z )i;q :leg including the foot when the leg is stretched straight out. Assume the person is ;nr*cl,k; :kzm 6w:gqann)bi 1.60 m tall.